De Dietrich Poor Drying Performance / Condensation Inefficiency

Washer-dryer leaves clothes hot and damp with a musty smell after drying

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Blocked condenser or heat exchanger (if fitted), Restricted air ducts, Faulty dryer fan, Incorrect load size or fabric mix

How to Fix / Troubleshooting

Safety: Unplug the appliance and allow it to cool before cleaning.

  • 1. Clean condenser (if accessible): Some De Dietrich combos have a user-removable condenser unit. Remove it and rinse thoroughly under running water to clear lint and detergent residues.
  • 2. Clear air paths: Remove top and rear panels and vacuum lint from ducts, fan housing, and around the heater.
  • 3. Check fan operation: During a test drying cycle (with panels temporarily in place and using proper safety), listen for the fan. If silent, test and replace the fan motor as needed.
  • 4. Adjust load: Do not overload the drum for drying; fill only about half to two-thirds full to allow air circulation. Mix heavy and light fabrics appropriately.

Note: Regular cleaning of dryer components is essential to maintain performance and prevent odors.

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Repair Difficulty

Medium 3/5

Required Part

Dryer Condenser / Heat Exchanger
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